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You can use Ohm's Law to calculate the current of a light bulb by dividing the voltage across the light bulb by its resistance, which is typically provided on the bulb itself or its packaging. The formula is: Current (I) = Voltage (V) / Resistance (R).

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1y ago

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Does the light bulb use up current when it is turned on?

Yes, the light bulb uses current when it is turned on.


How does electric light work?

Electric lights work by passing an electric current through a filament or gas inside the bulb. The current causes the filament to heat up and emit light, or the gas to produce light through a process called electroluminescence. The light is then emitted out of the bulb through a transparent covering.


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A light bulb is an electric light that uses the process of a filament wire that is heated to produce an electrical current. When the electrical current passing throught the light bulb it produces light.


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A bulb doesn't work when the filament inside is broken because the filament is the component that allows electric current to flow through the bulb. When the filament breaks, it creates an open circuit, preventing electricity from completing the path and reaching the light-emitting part of the bulb. Without the flow of current, the bulb cannot produce light.


What did Einstein do 100 times to get it to work?

To build the light bulb.


Will a 12 volt auto light-bulb work on 12 volt AC?

Yes, a 12 volt auto light bulb can work on 12 volt AC, but the light output might be slightly lower compared to when using DC. The bulb will still produce light, but it may flicker due to the alternating current.


What has to happen for the bulb to light up?

To light up, the bulb needs an electrical current flowing through it. This current is typically provided by connecting the bulb to a power source, such as a battery or outlet. Once the current flows through the bulb's filament, it heats up and produces light.


Can a bulb light if electricity doesn't get to the bulb?

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Does current direction matter when lighting a light bulb?

No. In fact, if the light bulb is powered by alternating current (AC), as almost allhousehold lights are, then the current is changingdirection 100 or 120 times asecond anyway.


Is a light bulb an insulator or conductor?

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Why does it not effect any of the light bulbs when you take one light bulb out from the parallel circuit?

In a parallel circuit, each light bulb has its own separate path for the current to flow, so removing one light bulb does not interrupt the current to the other light bulbs. The remaining light bulbs will continue to work because the circuit is not broken.


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No, a light bulb is not an electromagnet. A light bulb contains a filament that produces light when current flows through it, whereas an electromagnet is a device that produces a magnetic field when current flows through a coil of wire.